Clinicians have a word for it: apophenia, the perception of meaningful connections between unrelated things. Psychiatry lists it as an early marker of manic episodes. Behavioral economists list it as the tell that precedes a margin call.
The symptom arrives dressed as clarity. You notice that the fractal branching of a river delta is the same shape as your firm's org chart, the same shape as the veins in your own wrist. You feel, briefly, like a man who has been handed the source code.
Certainty is not a discovery; it is a symptom.
Traders call this the setup. Not the trade — the feeling that precedes the trade, the sensation of pattern recognizing itself. Von Neumann built game theory on rational actors. Nobody built a model for the actor who suddenly believes he is the game.
What gets called insight is often just dopamine finding a narrative to justify itself. The brain, flush with pattern-reward, stops distinguishing between a genuine edge and the pleasure of feeling edged.
So the real signal is not the vision of universal connection. It is the confidence that follows it — the specific, quiet certainty that makes a man reopen his brokerage app at 11 p.m., cursor hovering over Buy, mistaking the hum in his own skull for the pulse of the market.